local function findWord(s,t)
		local words,finds={},{}
		for k in s:gmatch("([%w%p]+)%s?") do
			words[#words+1]=k:lower()
		end
		for k,v in next,t do
			for i=1,#words do
				if words[i]==v:lower() then
					local startpos,endpos=s:find(words[i],#words[i-1])
					finds[v]={startpos=startpos;endpos=endpos}
				end
			end
		end
		return finds
	end

	for word,pos in next,findWord("come me",{"me","meh"}) do
		print(word,pos.startpos,pos.endpos)
	end